iPadOS 12.0 (build 16A5357b) is an official Apple over-the-air update for the iPad Air (China), released on 2018-08-15T17:06:17Z. The update package is 154.22 MB. This is a delta (partial) update that requires 12.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d5473acd92401c9f095d9c1fa44f3f049927e844.zip.